앱 실행시 Error인데 뭔지 알 수가 없네요...
-----------------Error 내용-----------------------
12-05 19:43:19.488: I/ActivityManager(14254): Timeline: Activity_launch_request id:com.example.aa201304326 time:7672301
12-05 19:43:19.518: D/AndroidRuntime(14254): Shutting down VM
12-05 19:43:19.518: W/dalvikvm(14254): threadid=1: thread exiting with uncaught exception (group=0x41d4cd58)
12-05 19:43:19.518: E/AndroidRuntime(14254): FATAL EXCEPTION: main
12-05 19:43:19.518: E/AndroidRuntime(14254): Process: com.example.aa201304326, PID: 14254
12-05 19:43:19.518: E/AndroidRuntime(14254): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.aa201304326/com.example.customermgt.MainActivity}: java.lang.NullPointerException
12-05 19:43:19.518: E/AndroidRuntime(14254): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2151)
12-05 19:43:19.518: E/AndroidRuntime(14254): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2275)
12-05 19:43:19.518: E/AndroidRuntime(14254): at android.app.ActivityThread.access$800(ActivityThread.java:142)
12-05 19:43:19.518: E/AndroidRuntime(14254): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1220)
12-05 19:43:19.518: E/AndroidRuntime(14254): at android.os.Handler.dispatchMessage(Handler.java:102)
12-05 19:43:19.518: E/AndroidRuntime(14254): at android.os.Looper.loop(Looper.java:136)
12-05 19:43:19.518: E/AndroidRuntime(14254): at android.app.ActivityThread.main(ActivityThread.java:5091)
12-05 19:43:19.518: E/AndroidRuntime(14254): at java.lang.reflect.Method.invokeNative(Native Method)
12-05 19:43:19.518: E/AndroidRuntime(14254): at java.lang.reflect.Method.invoke(Method.java:515)
12-05 19:43:19.518: E/AndroidRuntime(14254): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:792)
12-05 19:43:19.518: E/AndroidRuntime(14254): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:608)
12-05 19:43:19.518: E/AndroidRuntime(14254): at de.robv.android.xposed.XposedBridge.main(XposedBridge.java:132)
12-05 19:43:19.518: E/AndroidRuntime(14254): at dalvik.system.NativeStart.main(Native Method)
12-05 19:43:19.518: E/AndroidRuntime(14254): Caused by: java.lang.NullPointerException
12-05 19:43:19.518: E/AndroidRuntime(14254): at android.app.Activity.findViewById(Activity.java:1889)
12-05 19:43:19.518: E/AndroidRuntime(14254): at com.example.customermgt.MainActivity.<init>(MainActivity.java:21)
12-05 19:43:19.518: E/AndroidRuntime(14254): at java.lang.Class.newInstanceImpl(Native Method)
12-05 19:43:19.518: E/AndroidRuntime(14254): at java.lang.Class.newInstance(Class.java:1208)
12-05 19:43:19.518: E/AndroidRuntime(14254): at android.app.Instrumentation.newActivity(Instrumentation.java:1066)
12-05 19:43:19.518: E/AndroidRuntime(14254): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2142)
12-05 19:43:19.518: E/AndroidRuntime(14254): ... 12 more
